Is there any proof that any of this is real?<p>Since we don't know who Satoshi Nakamoto is, there is no way to prove whether identity theft occurred to this person.<p>Whoever has control of certain accounts <i>is</i>, for all intents and purposes, Satoshi Nakamoto.<p>Someone who jumps up and down claiming that <i>he</i> is the real Satoshi who has been locked out from those accounts and subject to extortion could be the real one, or could be a liar.<p>There is no way to know whether the incident took place at all, or if it did take place, which of the two people are the real one.<p>It could be a complete hoax perpetrated by a single person, or two people, any of whom may or may not be Satoshi Nakamoto. The real Satoshi Nakamoto could also be a group of people to begin with. Or a very clever dog.